Finding the Fourth Proportional to 2,604.49, 3,907.38 and 849.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.49 : 3,907.38 = 849.59 : x
2. Step 2: Convert to fraction form
   2,604.49/3,907.38 = 849.59/x
3. Step 3: Cross multiply
   2,604.49x = 3,907.38 × 849.59
4. Step 4: Simplify right side
   2,604.49x = 3,319,663.30
5. Step 5: Solve for x
   x = 3,319,663.30/2,604.49
6. Step 6: Final answer
   x = 1,274.59